Home / 38,015.96-57,020.28-11,713.64

Finding the Fourth Proportional to 38,015.96, 57,020.28 and 11,713.64

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Solution

The fourth proportional to 38,015.96, 57,020.28 and 11,713.64 is: 17,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.96 : 57,020.28 = 11,713.64 : x
  2. Step 2: Convert to fraction form
    38,015.96/57,020.28 = 11,713.64/x
  3. Step 3: Cross multiply
    38,015.96x = 57,020.28 × 11,713.64
  4. Step 4: Simplify right side
    38,015.96x = 667,914,747.52
  5. Step 5: Solve for x
    x = 667,914,747.52/38,015.96
  6. Step 6: Final answer
    x = 17,569.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.